package com.zjh.mapper;

import com.zjh.pojo.Book;
import com.zjh.pojo.User;

import java.util.List;
import java.util.Map;

public interface UserMapper {

    List<User> selectUser();

    User selectUserById(int id);

    List<Book> selectAllBook();

    User login(Map<String, String> map);

}
